<local:MainViewModel 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"       
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:Nok_Air" 
    SampleProperty="Sample Text Property Value">

    <local:MainViewModel.MenuItem>
        <local:MenuItemViewModel  MenuTitle = "Check In" MenuIcon = "/Images/MenuIcon.png"/>
        <local:MenuItemViewModel   MenuTitle = "Flight Schedule" MenuIcon = "/Images/MenuIcon.png"/>
    </local:MainViewModel.MenuItem>
    
</local:MainViewModel>